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DeepSeek V4.1 Flash vs GPT-5.4 Mini

DeepSeek V4.1 Flash leads on average score with 5.8 vs 5.7. GPT-5.4 Mini has the lower benchmark cost at $0.170 vs $0.391. GPT-5.4 Mini is faster at 3.34s vs 16.63s, with pass rates of 36.2% vs 30.4%.

Last updated at: 2026-10-19

Compared models

Rank
#298
Total Output Tokens
292,779
Response Time (avg)
16.63s
Total Cost
$0.391
Rank
#303
Total Output Tokens
8,828
Response Time (avg)
3.34s
Total Cost
$0.170
Recommended model GPT-5.4 Mini

Its score stays close to the best score here (5.7 vs 5.8), while costing about 2.3x less than DeepSeek V4.1 Flash.

Detailed comparison

Metric DeepSeek V4.1 Flash DeepSeek V4.1 Flash none Release: 2026-09-10 GPT-5.4 Mini GPT-5.4 Mini none Release: 2026-03-17
Score 5.8 5.7
Rank #298 #303
Reliability 9.7 10.0
Consistency 9.1 9.3
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 36.2% 30.4%
Flaky tests 3 2
Total Runs 69 69
Cost per result 2.806 2.818
Total Cost $0.391 $0.170
Input Price $0.013 / 1M $0.750 / 1M
Output Price $1.320 / 1M $4.500 / 1M
Cache Read Price $0.013 / 1M $0.075 / 1M
Cache Write Price N/A N/A
Total Input Tokens 337,756 172,438
Output Tokens 292,779 8,828
Reasoning Tokens 0 0
Response Time (avg) 16.63s 3.34s
Response Time (max) 247.66s 41.98s
Response Time (total) 382.53s 76.84s
Parameters 748B total (16B active) ~400B total (~17B active)
Availability Open source Closed

Cache prices apply to input tokens. Reads reuse cached prompts; writes store them and can cost extra. Output tokens use the output price.

Model generation showcase

Hamster playing table tennis

Prompt: Create a detailed SVG illustration of a hamster playing table tennis.

#298 DeepSeek V4.1 Flash

none
Cost
$0.021
Time
55.4s
Tokens
17,181 tok

#303 GPT-5.4 Mini

none
Cost
$0.010
Time
11.7s
Tokens
2,151 tok

Top Models by Score

Score vs Total Cost

Response Time (avg)

Score vs Response Time (avg)

Total Output Tokens

Score vs Total Output Tokens

Category Breakdown

Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
DeepSeek V4.1 Flash 5.5 10.0 33.3% 0 83.66s 7,284 263,438 0
GPT-5.4 Mini 5.5 10.0 33.3% 0 913ms 7,305 401 0

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